<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<style>
			h2{
				margin-left:20px;/*左外边距*/
				margin-top:50px;
			}
		</style>
	</head>
	<body>
		<!--左外边距为20px,顶部边距为50px-->
		<h2>粤嵌</h2>
	</body>
</html>
